While taking recreational drugs might be fun and all in the moment, it's unlikely that users think much further into the future than that.
You might be well aware of how long the effects of drugs will last, for example, but "do you know how long these substances actually stay in your system?"
Business Insider revealed all recently, and it makes for some pretty interesting reading. Because did you know that most common drugs - LSD aside - stay in your hair for 90 days following consumption. It's kind of grim when you think about it. LSD, on the other hand, apparently only lurks around your hair for 3 days following use, for some unexplained reason.

The article details in a chart how long various substances are retained in your blood, your urine, and your hair. So here's how long you can expect the likes of alcohol, weed, cocaine, MDMA and more to be traceable in your blood and urine, just in case you're lining yourself up for any drugs tests any time soon!